Hydrothermal preparation and supercapacitive performance of flower-like WO3·H2O/reduced graphene oxide composite

Ma, Lin; Zhou, Xiaoping; Xu, Limei; Xu, Xuyao; Zhang, Lingling; Cui, Ye; Luo, Jin; Chen, Weixiang

doi:10.1016/j.colsurfa.2015.06.040

Cited by 63 publications

(33 citation statements)

References 44 publications

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“…Ma et al. reported the synthesis of flower‐like WO 3 ⋅ H 2 O decorated on RGO sheets through a hydrothermal method . The composite electrode showed a specific capacitance of 244 F g −1 at 1 A g −1 , which was larger than that of flower‐like WO 3 ⋅ H 2 O (140 F g −1 ).…”

Section: Current Advances In Wo3‐based Scsmentioning

confidence: 99%

Review on Recent Progress in the Development of Tungsten Oxide Based Electrodes for Electrochemical Energy Storage

Shinde

2019

ChemSusChem

147

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Current progress in the advancement of energy‐storage devices is the most important factor that will allow the scientific community to develop resources to meet the global energy demands of the 21st century. Nanostructured materials can be used as effective electrodes for energy‐storage devices because they offer various promising features, including high surface‐to‐volume ratios, exceptional charge‐transport features, and good physicochemical properties. Until now, the successful research frontrunners have focused on the preparation of positive electrode materials for energy‐storage applications; nevertheless, the electrochemical performance of negative electrodes is less frequently reported. This review mainly focuses on the current progress in the development of tungsten oxide‐based electrodes for energy‐storage applications, primarily supercapacitors (SCs) and batteries. Tungsten is found in various stoichiometric and nonstoichiometric oxides. Among the different tungsten oxide materials, tungsten trioxide (WO3) has been intensively investigated as an electrode material for different applications because of its excellent charge‐transport features, unique physicochemical properties, and good resistance to corrosion. Various WO3 composites, such as WO3/carbon, WO3/polymers, WO3/metal oxides, and tungsten‐based binary metal oxides, have been used for application in SCs and batteries. However, pristine WO3 suffers from a relatively low specific surface area and low energy density. Therefore, it is crucial to thoroughly summarize recent progress in utilizing WO3‐based materials from various perspectives to enhance their performance. Herein, the potential‐ and pH‐dependent behavior of tungsten in aqueous media is discussed. Recent progress in the advancement of nanostructured WO3 and tungsten oxide‐based composites, along with related charge‐storage mechanisms and their electrochemical performances in SCs and batteries, is systematically summarized. Finally, remarks are made on future research challenges and the prospect of using tungsten oxide‐based materials to further upgrade energy‐storage devices.

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Section: Current Advances In Wo3‐based Scsmentioning

confidence: 99%

Review on Recent Progress in the Development of Tungsten Oxide Based Electrodes for Electrochemical Energy Storage

Shinde

2019

ChemSusChem

147

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“…But low conductivity and poor rate performance of tungsten oxide limit its wide application for pseudocapacitors. One way to improve the performance of tungsten oxide is to combine WO 3 with other conductive materials such as conducting polymers, carbon fibers and reduced graphene oxide [23][24][25]. However, much work has been focused on WO 3 electrode as positive electrode, but little has been reported for WO 3 as negative electrode for supercapacitors [26,27].…”

Section: Introductionmentioning

confidence: 99%

WO₃Nanowires on Graphene Sheets as Negative Electrode for Supercapacitors

Liu

Wang

Hong-wu

et al. 2017

Journal of Nanomaterials

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WO3nanowires directly grown on graphene sheets have been fabricated by using a seed-mediated hydrothermal method. The morphologies and electrochemical performance of WO3films prepared by different process were studied. The results show that the precoated nanoseeds and graphene sheets on graphite electrode provide more reactive centers for the nucleation and formation of uniform WO3nanowires. The WO3nanowires electrode exhibits a high area specific capacitance of 800 mF cm−2over negative potential range from −1.0 V to 0 V versus SCE in 1 M Li2SO4solution. A high performance electrochemical supercapacitor assembled with WO3nanowires as negative electrode and PANI/MnO2as positive electrodes over voltage range of 1.6 V displays a high volumetric capacitance of 2.5 F cm−3, which indicate great potential applications of WO3nanowires on graphene sheets as negative electrode for energy storage devices.

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“…Furthermore, no other impurity phase peak can be detected, and the existence of strong and sharp peaks also indicates that WO 3 ·2H 2 O/BC hybrids have high crystallinity. The structure of WO 3 ·2H 2 O has been reported to be attractive as electrode materials (Ma et al, 2015 ; Li et al, 2016 ; Mitchell et al, 2017 ). Crystalline WO 3 is much more stable than amorphous WO 3 due to the denser structure and lower dissolution rate in electrolytes, which is a very important point in terms of practical applications (Liu et al, 2017 ).…”

Section: Resultsmentioning

confidence: 99%

“…Wang et al fabricated the graphene nanosheets-tungsten oxides with high supercapacitor performance (Wang et al, 2015 ). Ma et al fabricated a hybrid based on graphene and WO 3 via the hydrothermal method, which possessed high specific capacitance and superior rate capability (Ma et al, 2015 ).…”

Section: Introductionmentioning

confidence: 99%

Fabrication of WO3·2H2O/BC Hybrids by the Radiation Method for Enhanced Performance Supercapacitors

Yang

Jia

et al. 2018

Front. Chem.

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In this study, we described a facile process for the fabrication of tungsten oxide dihydrate/bamboo charcoal hybrids (WO3·2H2O/BC) by the γ-irradiation method. The structural, morphological, and electrochemical properties of WO3·2H2O/BC hybrids were investigated using X-ray diffraction (XRD), field emission scanning electron microscopy (FESEM), transmission electron microscopy (TEM), cyclic voltammetry (CV), galvanostatic charge/discharge (GCD), and electrochemical impedance spectroscopy (EIS) techniques. The combination of BC (electrical double layer charge) and WO3·2H2O (pseudocapacitance) created a combined effect, which enhanced the specific capacitance and superior cyclic stability of the WO3·2H2O/BC hybrid electrode. The WO3·2H2O/BC hybrids showed the higher specific capacitance (391 F g−1 at 0.5 A g−1 over the voltage range from −1 to 0 V), compared with BC (108 F g−1) in 6 M KOH solution. Furthermore, the hybrid electrode showed superior long-term performance with 82% capacitance retention even after 10,000 cycles. The experimental results demonstrated that the high performance of WO3·2H2O/BC hybrids could be a potential electrode material for supercapacitors.

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Hydrothermal preparation and supercapacitive performance of flower-like WO3·H2O/reduced graphene oxide composite

Cited by 63 publications

References 44 publications

Review on Recent Progress in the Development of Tungsten Oxide Based Electrodes for Electrochemical Energy Storage

Review on Recent Progress in the Development of Tungsten Oxide Based Electrodes for Electrochemical Energy Storage

WO₃Nanowires on Graphene Sheets as Negative Electrode for Supercapacitors

Fabrication of WO3·2H2O/BC Hybrids by the Radiation Method for Enhanced Performance Supercapacitors

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Hydrothermal preparation and supercapacitive performance of flower-like WO3·H2O/reduced graphene oxide composite

Cited by 63 publications

References 44 publications

Review on Recent Progress in the Development of Tungsten Oxide Based Electrodes for Electrochemical Energy Storage

Review on Recent Progress in the Development of Tungsten Oxide Based Electrodes for Electrochemical Energy Storage

WO3Nanowires on Graphene Sheets as Negative Electrode for Supercapacitors

Fabrication of WO3·2H2O/BC Hybrids by the Radiation Method for Enhanced Performance Supercapacitors

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WO₃Nanowires on Graphene Sheets as Negative Electrode for Supercapacitors